#66FBB4#66FBB4

#66FBB4 is a very light, vivid teal. Relative luminance 0.751; OKLCH L 89.0% C 0.163 H 159.5°. Best body text is #000000 at 16.02:1 contrast (WCAG AA passes).

Color values

HEX#66FBB4
RGBrgb(102, 251, 180)
HSLhsl(151, 95%, 69%)
HSVhsv(151, 59%, 98%)
CMYKcmyk(59.4%, 0%, 28.3%, 1.6%)
CIE-LABlab(89.44, -55.75, 22.40)
CIE-LCHlch(89.44, 60.08, 158.11°)
OKLaboklab(88.95% -0.1525 0.0569)
OKLCHoklch(88.95% 0.163 159.5)
XYZxyz(48.2105, 75.1096, 55.1281)
Luminance0.7511 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FBB4 #FB66AD
analogous
#66FB6A #66FBB4 #66F8FB
triadic
#66FBB4 #B466FB #FBB466
tetradic
#66FBB4 #6A66FB #FB66AD #F8FB66
square
#66FBB4 #6A66FB #FB66AD #F8FB66
split-complementary
#66FBB4 #FB66F8 #FB6A66
monochromatic
#06E178 #2AF997 #66FBB4 #A2FDD1 #DDFEEE

Accessibility & contrast

On white

1.31
#66FBB4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.02
#66FBB4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FBB4
16.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FBB4#FFFFFF#000000##000000
##66FBB41.001.3116.0216.02
#FFFFFF1.311.0021.0021.00
#00000016.0221.001.001.00
##00000016.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#F8EAB0
Deuteranopia (green-blind)
#E4DBB8
Tritanopia (blue-blind)
#1BFAE8
Achromatopsia (no color)
#E1E1E1

Design tokens & code

CSS
--color: #66fbb4;
/* rgb */ color: rgb(102, 251, 180);
/* oklch */ color: oklch(89.0% 0.163 159.5);
Tailwind
colors: {
  custom: {
    50: '#9efdca',
    500: '#66fbb4',
    950: '#000000',
  },
}
SCSS
$custom: #66fbb4;
$custom-light: #9efdca;
$custom-dark: #000000;
JSON
{
  "hex": "#66fbb4",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 180
  },
  "hsl": {
    "h": 151.409,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.88953,
    "c": 0.16275,
    "h": 159.5
  },
  "luminance": 0.75114
}

Semantic roles & 50–950 ramp

primary
#66FBB4
secondary
#D5307F
accent
#006DE6
background
#FCFFFD
surface
#F6FFF9
border
#D0D7D2
text
#101813
muted
#808682

Preview Lab

Preview with #66FBB4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#66FBB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva